/*
*Copyright 2021-2023 NERCIS
*
*Licensed under the Apache License, Version 2.0 (the "License");
*you may not use this file except in compliance with the License.
*You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
*Unless required by applicable law or agreed to in writing, software
*distributed under the License is distributed on an "AS IS" BASIS,
*WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*See the License for the specific language governing permissions and
*limitations under the License.
*/

package cn.ac.nercis.pes.common.constant.evaluation;

import cn.ac.nercis.pes.common.constant.project.SecurityLevel;
import org.apache.commons.lang3.StringUtils;

import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.Stream;

/**
 * 重要数据（资产对象）安全需求
 * @author zpy
 * @version v1.0.0
 */
public enum AssetKeyDataReq {
    /**传输机密性**/
    TRANSPORT_CONFIDENTIALITY("传输机密性"),
    STORE_CONFIDENTIALITY("存储机密性"),
    TRANSPORT_INTEGRITY("传输完整性"),
    STORE_INTEGRITY("存储完整性"),
    NON_REPUDIATION("不可否认性");
    private final String name;

    AssetKeyDataReq(String name) {
        this.name = name;
    }

    public String getName(){
        return this.name;
    }

    public static List<String> getReqNames(SecurityLevel level){
        if(level == SecurityLevel.THREE){
            return Stream.of(AssetKeyDataReq.values())
                    .map(AssetKeyDataReq::getName)
                    .collect(Collectors.toList());
        }else{
            return Stream.of(AssetKeyDataReq.values())
                    .filter(req->req != NON_REPUDIATION)
                    .map(AssetKeyDataReq::getName)
                    .collect(Collectors.toList());
        }
    }

    public static AssetKeyDataReq fromName(String name){
        if(StringUtils.isEmpty(name)){
            return null;
        }
        AssetKeyDataReq data = null;
        for(AssetKeyDataReq item : AssetKeyDataReq.values()){
            if(StringUtils.equals(item.name,name)){
                data = item;
                break;
            }
        }
        return data;
    }

}